1 result for “Owens-Corning Fiberglas”
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Patent · December 20, 1932
Composite Friction Block (US Patent 1,891,723, 1932)
…1932, filed May 17, 1930. The patent's description opens (from the scanned text): This invention relates to an'improved construction for molded friction elements, especially brake blocks whereby certain deficiencies of earlier types are eliminated.